package com.gg.customer;

public class TestDemo1 {
    public static void main(String[] args){
        System.out.println("hello");
        System.out.println(5+3);
        System.out.println(5+3+3.14+"hello");
        int num1=5;
        short num2=5;
        byte num3=5;
        long num4=5;
        double num5=3.14;
        float num6=(float)3.14f;
        boolean bool=true;
        char ch='A';
    }
}
